private void Login_Click(object sender, RoutedEventArgs e)
{
App.IsStu = false;
_ViewModel = new LoginViewModel();
teacherinfo teacher = new teacherinfo()
{
teacher_id = UserName.Text,
teacher_pwd = Password.Password
};
if (_ViewModel.Login(teacher))
{
App.ID = UserName.Text;
//App.IsAdmin = IsAdmin.IsChecked.HasValue;
TeacherWindow window = new TeacherWindow();
window.WindowStartupLocation = WindowStartupLocation.CenterScreen;
window.Show();
this.Close();
}
else
{
MessageBox.Show("请确保密码和账号正确", "登陆失败");
}
}
public bool Login(teacherinfo teacher)
{
var query = from q in DBContext.teacherinfo
where q.teacher_id == teacher.teacher_id && q.teacher_pwd == teacher.teacher_pwd
select q;
/*DBContext.teacherinfo.FirstOrDefault(x => x.teacher_id == teacher.teacher_id&&x.teacher_pwd==teacher.teacher_pwd);*/
if (query != null)
{
return(true);
}
else
{
return(false);
}
}
private void button1_Click(object sender, EventArgs e)
{
if (maskedTextBox1.Text == maskedTextBox2.Text && maskedTextBox2.Text.Length < 9 && maskedTextBox2.Text.Length > 3)
{
var questionQuery = from o in pp.context.teacherinfo
where o.teacherid == pp.teacher.teacherid
select o;
teacherinfo st = questionQuery.First <teacherinfo>();
st.pd = maskedTextBox1.Text;
pp.context.UpdateObject(st);
pp.context.SaveChanges();
MessageBox.Show("密码已修改！");
this.Close();
}
else
{
MessageBox.Show("两次的密码输入不一样,密码大于八位或小于四位！");
}
}